640893504

素因数分解:

$2^6\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 224

約数和(自身を含む): 1872691200

約数和(自身を除く): 1231797696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 47, 48, 58, 62, 64, 79, 87, 93, 94, 96, 116, 124, 141, 158, 174, 186, 188, 192, 232, 237, 248, 282, 316, 348, 372, 376, 464, 474, 496, 564, 632, 696, 744, 752, 899, 928, 948, 992, 1128, 1264, 1363, 1392, 1457, 1488, 1504, 1798, 1856, 1896, 1984, 2256, 2291, 2449, 2528, 2697, 2726, 2784, 2914, 2976, 3008, 3596, 3713, 3792, 4089, 4371, 4512, 4582, 4898, 5056, 5394, 5452, 5568, 5828, 5952, 6873, 7192, 7347, 7426, 7584, 8178, 8742, 9024, 9164, 9796, 10788, 10904, 11139, 11656, 13746, 14384, 14694, 14852, 15168, 16356, 17484, 18328, 19592, 21576, 21808, 22278, 23312, 27492, 28768, 29388, 29704, 32712, 34968, 36656, 39184, 42253, 43152, 43616, 44556, 46624, 54984, 57536, 58776, 59408, 65424, 69936, 71021, 73312, 78368, 84506, 86304, 87232, 89112, 93248, 107677, 109968, 115103, 117552, 118816, 126759, 130848, 139872, 142042, 146624, 156736, 169012, 172608, 178224, 213063, 215354, 219936, 230206, 235104, 237632, 253518, 261696, 279744, 284084, 323031, 338024, 345309, 356448, 426126, 430708, 439872, 460412, 470208, 507036, 568168, 646062, 676048, 690618, 712896, 852252, 861416, 920824, 1014072, 1136336, 1292124, 1352096, 1381236, 1704504, 1722832, 1841648, 2028144, 2272672, 2584248, 2704192, 2762472, 3337987, 3409008, 3445664, 3683296, 4056288, 4545344, 5168496, 5524944, 6675974, 6818016, 6891328, 7366592, 8112576, 10013961, 10336992, 11049888, 13351948, 13636032, 20027922, 20673984, 22099776, 26703896, 40055844, 53407792, 80111688, 106815584, 160223376, 213631168, 320446752, 640893504]

約数ペア:

[(1, 640893504), (2, 320446752), (3, 213631168), (4, 160223376), (6, 106815584), (8, 80111688), (12, 53407792), (16, 40055844), (24, 26703896), (29, 22099776), (31, 20673984), (32, 20027922), (47, 13636032), (48, 13351948), (58, 11049888), (62, 10336992), (64, 10013961), (79, 8112576), (87, 7366592), (93, 6891328), (94, 6818016), (96, 6675974), (116, 5524944), (124, 5168496), (141, 4545344), (158, 4056288), (174, 3683296), (186, 3445664), (188, 3409008), (192, 3337987), (232, 2762472), (237, 2704192), (248, 2584248), (282, 2272672), (316, 2028144), (348, 1841648), (372, 1722832), (376, 1704504), (464, 1381236), (474, 1352096), (496, 1292124), (564, 1136336), (632, 1014072), (696, 920824), (744, 861416), (752, 852252), (899, 712896), (928, 690618), (948, 676048), (992, 646062), (1128, 568168), (1264, 507036), (1363, 470208), (1392, 460412), (1457, 439872), (1488, 430708), (1504, 426126), (1798, 356448), (1856, 345309), (1896, 338024), (1984, 323031), (2256, 284084), (2291, 279744), (2449, 261696), (2528, 253518), (2697, 237632), (2726, 235104), (2784, 230206), (2914, 219936), (2976, 215354), (3008, 213063), (3596, 178224), (3713, 172608), (3792, 169012), (4089, 156736), (4371, 146624), (4512, 142042), (4582, 139872), (4898, 130848), (5056, 126759), (5394, 118816), (5452, 117552), (5568, 115103), (5828, 109968), (5952, 107677), (6873, 93248), (7192, 89112), (7347, 87232), (7426, 86304), (7584, 84506), (8178, 78368), (8742, 73312), (9024, 71021), (9164, 69936), (9796, 65424), (10788, 59408), (10904, 58776), (11139, 57536), (11656, 54984), (13746, 46624), (14384, 44556), (14694, 43616), (14852, 43152), (15168, 42253), (16356, 39184), (17484, 36656), (18328, 34968), (19592, 32712), (21576, 29704), (21808, 29388), (22278, 28768), (23312, 27492)]